On 24.04.2, I met the same issue with '174f:11a8 Syntek Integrated
Camera'.

$ snapshot 
2025-05-15T07:41:08.074507Z  INFO snapshot::application::imp: Snapshot 
(org.gnome.Snapshot)    
2025-05-15T07:41:08.074525Z  INFO snapshot::application::imp: Version: 46.2    
2025-05-15T07:41:08.074529Z  INFO snapshot::application::imp: Datadir: 
/usr/share/snapshot    
2025-05-15T07:41:24.355428Z ERROR aperture::viewfinder: Bus Error from 
Some("/GstCameraBin:camerabin0/GstWrapperCameraBinSrc:wrappercamerabinsrc0/GstBin:bin0/GstPipeWireSrc:pipewiresrc0")
stream error: no more input formats
Some("../src/gst/gstpipewiresrc.c(692): on_state_changed (): 
/GstCameraBin:camerabin0/GstWrapperCameraBinSrc:wrappercamerabinsrc0/GstBin:bin0/GstPipeWireSrc:pipewiresrc0")
    
2025-05-15T07:41:24.359125Z ERROR aperture::viewfinder: Bus Error from 
Some("/GstCameraBin:camerabin0/GstWrapperCameraBinSrc:wrappercamerabinsrc0/GstBin:bin0/GstPipeWireSrc:pipewiresrc0")
Internal data stream error.
Some("../libs/gst/base/gstbasesrc.c(3177): gst_base_src_loop (): 
/GstCameraBin:camerabin0/GstWrapperCameraBinSrc:wrappercamerabinsrc0/GstBin:bin0/GstPipeWireSrc:pipewiresrc0:\nstreaming
 stopped, reason not-negotiated (-4)")    
^C

$ pw-dump | grep default.video.source
      { "subject": 0, "key": "default.video.source", "type": "Spa:String:JSON", 
"value": { "name": "v4l2_input.pci-0000_00_14.0-usb-0_8_1.0" } },

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https://bugs.launchpad.net/bugs/2059726

Title:
  GNOME Snapshot doesn't show webcam image

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